Home / 5,319.32-7,331.10-4,327.88

Finding the Fourth Proportional to 5,319.32, 7,331.10 and 4,327.88

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Solution

The fourth proportional to 5,319.32, 7,331.10 and 4,327.88 is: 5,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.32 : 7,331.10 = 4,327.88 : x
  2. Step 2: Convert to fraction form
    5,319.32/7,331.10 = 4,327.88/x
  3. Step 3: Cross multiply
    5,319.32x = 7,331.10 × 4,327.88
  4. Step 4: Simplify right side
    5,319.32x = 31,728,121.07
  5. Step 5: Solve for x
    x = 31,728,121.07/5,319.32
  6. Step 6: Final answer
    x = 5,964.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.